<?php

class SiteController extends Controller
{
    /**
     * Declares class-based actions.
     */
    public $msg = "";
    public $forward = "";
    public function actions()
    {
        return array(
            // captcha action renders the CAPTCHA image displayed on the contact page
            'captcha'=>array(
                'class'=>'CCaptchaAction',
                'backColor'=>0xFFFFFF,
            ),
            // page action renders "static" pages stored under 'protected/views/site/pages'
            // They can be accessed via: index.php?r=site/page&view=FileName
            'page'=>array(
                'class'=>'CViewAction',
            ),
        );
    }

    /**
     * This is the default 'index' action that is invoked
     * when an action is not explicitly requested by users.
     */
    public function actionIndex()
    {
        // renders the view file 'protected/views/site/index.php'
        // using the default layout 'protected/views/layouts/main.php'
        $this->render('index');
    }

    /**
     * This is the action to handle external exceptions.
     */
    public function actionError()
    {
        if($error=Yii::app()->errorHandler->error)
        {
            if(Yii::app()->request->isAjaxRequest)
                echo $error['message'];
            else
                $this->render('error', $error);
        }
    }

    /**
     * Displays the contact page
     */
    public function actionContact()
    {
        $model=new ContactForm;
        if(isset($_POST['ContactForm']))
        {
            $model->attributes=$_POST['ContactForm'];
            if($model->validate())
            {
                $name='=?UTF-8?B?'.base64_encode($model->name).'?=';
                $subject='=?UTF-8?B?'.base64_encode($model->subject).'?=';
                $headers="From: $name <{$model->email}>\r\n".
                    "Reply-To: {$model->email}\r\n".
                    "MIME-Version: 1.0\r\n".
                    "Content-Type: text/plain; charset=UTF-8";

                mail(Yii::app()->params['adminEmail'],$subject,$model->body,$headers);
                Yii::app()->user->setFlash('contact','Thank you for contacting us. We will respond to you as soon as possible.');
                $this->refresh();
            }
        }
        $this->render('contact',array('model'=>$model));
    }

    /**
     * Displays the login page
     */
    public function actionLogin()
    {
        $model=new LoginForm;

        // if it is ajax validation request
        if(isset($_POST['ajax']) && $_POST['ajax']==='login-form')
        {
            echo CActiveForm::validate($model);
            Yii::app()->end();
        }

        // collect user input data
        if(isset($_POST['LoginForm']))
        {
            $model->attributes=$_POST['LoginForm'];
            // validate user input and redirect to the previous page if valid
            if($model->validate() && $model->login())
                $this->redirect(Yii::app()->user->returnUrl);
        }
        // display the login form
        $this->render('login',array('model'=>$model));
    }

    /**
     * Logs out the current user and redirect to homepage.
     */
    public function actionLogout()
    {
        Yii::app()->user->logout();
        $this->redirect(Yii::app()->homeUrl);
    }
    
    /**
     * Registe a new user.
     */
    public function actionAdd()
    {   
        $model = new User;
        if(isset($_POST['User']))
        {  
            $model->attributes = $_POST['User'];  
            $model->username   = $_POST['User']['username'];
            $model->passwd     = $_POST['User']['passwd'];
            if($model->save()){  
                $this->msg     = 'Registe success,please login!'; 
                $this->forward = '/index.php?r=site/login'; 
                $this->render("popmsg",array("model"=>$model));
                exit;
            }else{  
                $this->forward = '/index.php?r=site/add'; 
                $this->msg = 'error! Do it again'; $this->render("popmsg",array("model"=>$model)); exit;
            }  
        } 
        
        $this->render("register",array("model"=>$model));  
    } 
    
    
    /**
     * Post a new thread.
     */
    public function actionPost()
    {   
        $model = new Posts;

        if(isset($_POST['Posts']))
        {  
            $model->title       = $_POST['Posts']['title'];
            $model->content     = $_POST['Posts']['content'];
            $model->userid      = Yii::app()->user->id;
            $model->createdtime = time();
            if($model->save()) {  
                $this->msg      = 'Post successfully!'; 
                $this->forward  = '/index.php?r=site/postlist'; 
                $this->render("popmsg",array("model"=>$model));
                exit;
            } else {  
                $this->forward  = '/index.php?r=site/post'; 
                $this->msg = 'error! Do it again'; $this->render("popmsg",array("model"=>$model)); exit;
            }  
        } 
        
        $this->render("post",array("model"=>$model));  
    } 

    /**
     * Postlist:show all the posts.
     */
    public function actionPostlist()
    {   
        $dataProvider = new CActiveDataProvider('Posts', array(
          'criteria'  => array(
          'order'     => 'id DESC',  
          ),
          'pagination'   => array(
           'pageSize'    => Yii::app()->params['postsPerPage'],
          )));
        
        $this->render('postlist',array(
            'dataProvider' => $dataProvider
        )); 
    }
    
    /**
     * Showpost:show one post and it's replies.
     */
    public function actionShowpost()
    { 
        $post=Posts::model()->find(array(
        'select'    => '*',
        'condition' => 'id=:id',
        'params'    => array(':id' => intval($_GET['id']))));
        
        /**
         * Use CPagination to do pagging.
         */
        $criteria = new CDbCriteria();  
        $criteria->select    = '*'; 
        $criteria->condition = 'postid=:postid';
        $criteria->order     = 'id DESC';  
        $criteria->params    = array(':postid' => intval($_GET['id']));
        $count               = Reply::model()->count($criteria);  
        $page                = new CPagination($count);  
        $page->pageSize      = Yii::app()->params['postsPerPage'];  
        $page->applyLimit($criteria);  
        $replies = Reply::model()->findAll($criteria);  
          
        $this->render("showpost", array("data"=>$post, "reply"=>$replies, 'page'=>$page));  
    }
    
    /**
     * Post a new thread.
     */
    public function actionReply()
    {  
        $model = new Reply;
        if(isset($_POST['Reply']))
        {  
            $model->content     = $_POST['Reply']['content'];
            $model->postid      = $_POST['Reply']['postid'];
            $model->userid      = Yii::app()->user->id;
            $model->createdtime = time();
            if($model->save()) {  
                $this->msg      = 'Reply successfully!'; 
                $this->forward  = '/index.php?r=site/showpost&id='.intval($_POST['Reply']['postid']); 
                $this->render("popmsg",array("model"=>$model));
                exit;
            } else {  
                $this->forward  = '/index.php?r=site/post'; 
                $this->msg      = 'error! Do it again'; 
                $this->render("popmsg",array("model"=>$model)); 
                exit;
            }  
        } 
        
        $this->render("reply", array("model"=>$model));  
    } 
}